Antennas with Non-Foster Matching Networks phần 5 doc

... 2007 17:23 40 ANTENNAS WITH NON-FOSTER MATCHING NETWORKS m1 freq=33.00MHz Simulated_Return_Loss=-20.066 50 100 150 200 250 0 300 -30 - 25 -20 - 15 -10 - 35 -5 freq, MHz m1 50 100 150 200 250 0 300 1.0 1.1 1.2 1.3 0.9 1.4 freq, ... MOBK060-Aberle.cls January 19, 2007 17:23 ANTENNAS WITH NON-FOSTER MATCHING NETWORKS 41 (a) (b) 50 100 150 200 250 0 - 35 -30 - 25 -20...

Ngày tải lên: 06/08/2014, 00:20

... reviews, without the prior permission of the publisher. Antennas with Non-Foster Matching Networks James T. Aberle and Robert Loepsinger-Romak www.morganclaypool.com ISBN: 159 82910 25 Paperback ISBN: ... 17:22 v Contents Antennas with Non-Foster Matching Networks 1 Motivation for A New Kind of Radiating Structure 1 Electrically Small Antennas 2 Foster’s Reactance Theor...

Ngày tải lên: 06/08/2014, 00:20

... the active matching network: C a = 8. 657 pF L a = 188.6nH L m = 45. 57 nH. ( 25) Fig. 13 showstheschematiccapturedfromAgilent ADS of thetwo-portantennamodeltogether with non-Foster matching network ... 17:23 18 ANTENNAS WITH NON-FOSTER MATCHING NETWORKS 40 50 60 70 8030 90 -40 -30 -20 -10 -50 0 freq, MHz dB(S(1,1)) Return Loss (dB) FIGURE 14: Return loss at input of ide...

Ngày tải lên: 06/08/2014, 00:20

... 17:23 26 ANTENNAS WITH NON-FOSTER MATCHING NETWORKS 2.09 V - 456 uV - -193 uV + -2. 05 mV -5 V V- 5 V V+ 5 V V+ -5 V V- 2 . 0 9 n A R R1 R =1 GOhm 1 .53 mA V_ D C SRC3 Vd c = -5 V -1 .56 mA V_ ... 19, 2007 17:23 ANTENNAS WITH NON-FOSTER MATCHING NETWORKS 35 50 100 150 200 250 300 350 400 450 0 50 0 -40 -30 -20 -10 -50 0 freq, MHz m2 m1 m1 fre q= dB(Return_L...

Ngày tải lên: 06/08/2014, 00:20

... COMMUNITY 49 return $result; 50 } 51 52 /** 53 * Calculate the total number of registered users 54 * 55 * @return integer 56 */ 57 function getUserCount() 58 { 59 $query = $this->select('id'); 60 ... page 50 $this->_redirect('/'); 51 52 } else { 53 54 $this->view->errors[] = "The e-mail address associated with this account has not been c...

Ngày tải lên: 05/07/2014, 17:20

... shock/cycling: - 65 to + 150 °C High temperature endurance: + 150 °C, 760 hrs Low temperature endurance: - 65 C, 50 0 hrs Vibration: Sinusoidal; 5- 3000Hz, 40g, 10 hrs Random; 25- 2000Hz, 5g2/Hz (50 grms), ... Connectors for Aircraft Optical Fiber Networks Deutsch MC 5 connectors OPTICAL PERFORMANCE Insertion loss: 0.25dB typical Return loss: 0.40dB typical Repeatability: better .....

Ngày tải lên: 06/08/2014, 00:21

... 17:23 14 ANTENNAS WITH NON-FOSTER MATCHING NETWORKS FIGURE 9: Schematic captured from Agilent ADS of ESA monopole with passive matching network The schematic of the antenna and its matching network ... NON-FOSTER MATCHING NETWORKS 15 40 50 60 70 80 30 90 - 15 -10 -5 -20 0 m2 Return Loss (dB) dB(S(1,1)) freq, MHz m2 freq=60.MHz dB(S(1,1))=- 15. 7 FIGURE 10: Return lo...

Ngày tải lên: 06/08/2014, 00:20

... -r[i] source_directory(s) destination_directory Without the -r option, the files and subdirectories contained within a directory are not copied. When used with the -i option, cp prompts for verification ... Differences With the cmp Command Using the cmp Command to Compare Files That Appear to be the Same You would: 1. Do a long listing and compare the file sizes. -rw-r r 1 user2 edu 352 8 Ju...

Ngày tải lên: 24/07/2014, 02:20

Ngày tải lên: 24/07/2014, 05:20

... problem with the entry."); exit; } //If all goes well, return. header ("Location: theform.php?message=success"); ?> CHAPTER 5 ■ FORMS 85 6676CH 05. qxd 9/27/06 12:12 PM Page 85 $yourname ... server-side scripting in PHP, shown in Listing 5- 6. CHAPTER 5 ■ FORMS84 6676CH 05. qxd 9/27/06 12:12 PM Page 84 //Run through a list of all objects contained within the form....

Ngày tải lên: 05/08/2014, 10:20